﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Aspose.Cells.Drawing;

namespace Aspose.Cells.Examples.CSharp.Articles.ManageChartsAndShapes
{
    public class AddWordArtWatermarkToChart
    {
        public static void Run()
        {
            // ExStart:AddWordArtWatermarkToChart
            // The path to the documents directory.
            string dataDir = RunExamples.GetDataDir(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

            // Open the existing excel file.
            Workbook workbook = new Workbook(dataDir + "sample.xlsx");

            // Get the chart in the first worksheet.
            Aspose.Cells.Charts.Chart chart = workbook.Worksheets[0].Charts[0];

            // Add a WordArt watermark (shape) to the chart's plot area.
            Aspose.Cells.Drawing.Shape wordart = chart.Shapes.AddTextEffectInChart(MsoPresetTextEffect.TextEffect2,
            "CONFIDENTIAL", "Arial Black", 66, false, false, 1200, 500, 2000, 3000);

            // Get the shape's fill format.
            FillFormat wordArtFormat = wordart.Fill;

            // Set the transparency.
            wordArtFormat.Transparency = 0.9;

            // Get the line format.
            LineFormat lineFormat = wordart.Line;

            // Set Line format to invisible.
            lineFormat.Weight = 0.0;

            // Save the excel file.
            workbook.Save(dataDir + "output_out.xlsx");
            // ExEnd:AddWordArtWatermarkToChart
        }
    }
}
